content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   * 
   * ---------------------
   * FontChooserPanel.java
   * ---------------------
   * (C) Copyright 2000-2012, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   Arnaud Lelievre;
   *
   * $Id: FontChooserPanel.java,v 1.6 2008/12/18 09:57:32 mungady Exp $
   *
   * Changes (from 26-Oct-2001)
   * --------------------------
   * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
   * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 08-Sep-2003 : Added internationalization via use of properties resourceBundle (RFE 690236) (AL);
   * 21-Feb-2004 : The FontParameter of the constructor was never used (TM);
   * 18-Dec-2008 : Use ResourceBundleWrapper - see JFreeChart patch 1607918 by
   *               Jess Thrysoee (DG);
   * 15-Jun-2012 : Moved from JCommon to JFreeChart (DG);
   *
   */
  
  package org.jfree.chart.ui;
  
  import java.awt.BorderLayout;
  import java.awt.Font;
  import java.awt.GraphicsEnvironment;
  import java.awt.GridLayout;
  import java.util.ResourceBundle;
  
  import javax.swing.BorderFactory;
  import javax.swing.JCheckBox;
  import javax.swing.JList;
  import javax.swing.JPanel;
  import javax.swing.JScrollPane;
  import javax.swing.ListModel;
  
  import org.jfree.chart.util.ResourceBundleWrapper;
  
  /**
   * A panel for choosing a font from the available system fonts - still a bit of
   * a hack at the moment, but good enough for demonstration applications.
   */
  public class FontChooserPanel extends JPanel {
  
      private static final long serialVersionUID = 1L;
  
      /** The font sizes that can be selected. */
      public static final String[] SIZES = {"9", "10", "11", "12", "14", "16",
              "18", "20", "22", "24", "28", "36", "48", "72"};
  
      /** The list of fonts. */
      private JList fontlist;
  
      /** The list of sizes. */
      private JList sizelist;
  
      /** The checkbox that indicates whether the font is bold. */
      private JCheckBox bold;
  
      /** The checkbox that indicates whether or not the font is italic. */
      private JCheckBox italic;
  
      /** The resourceBundle for the localization. */
      protected static ResourceBundle localizationResources =
          ResourceBundleWrapper.getBundle("org.jfree.ui.LocalizationBundle");
  
      /**
       * Standard constructor - builds a FontChooserPanel initialised with the
       * specified font.
       *
       * @param font  the initial font to display.
       */
      public FontChooserPanel(final Font font) {
  
          final GraphicsEnvironment g
                  = GraphicsEnvironment.getLocalGraphicsEnvironment();
          final String[] fonts = g.getAvailableFontFamilyNames();
  
          setLayout(new BorderLayout());
          final JPanel right = new JPanel(new BorderLayout());
  
          final JPanel fontPanel = new JPanel(new BorderLayout());
          fontPanel.setBorder(BorderFactory.createTitledBorder(
                              BorderFactory.createEtchedBorder(),
                              localizationResources.getString("Font")));
          this.fontlist = new JList(fonts);
          final JScrollPane fontpane = new JScrollPane(this.fontlist);
          fontpane.setBorder(BorderFactory.createEtchedBorder());
          fontPanel.add(fontpane);
          add(fontPanel);
  
          final JPanel sizePanel = new JPanel(new BorderLayout());
          sizePanel.setBorder(BorderFactory.createTitledBorder(
                              BorderFactory.createEtchedBorder(),
                              localizationResources.getString("Size")));
          this.sizelist = new JList(SIZES);
          final JScrollPane sizepane = new JScrollPane(this.sizelist);
          sizepane.setBorder(BorderFactory.createEtchedBorder());
          sizePanel.add(sizepane);
  
          final JPanel attributes = new JPanel(new GridLayout(1, 2));
          this.bold = new JCheckBox(localizationResources.getString("Bold"));
          this.italic = new JCheckBox(localizationResources.getString("Italic"));
          attributes.add(this.bold);
          attributes.add(this.italic);
          attributes.setBorder(BorderFactory.createTitledBorder(
                  BorderFactory.createEtchedBorder(),
                  localizationResources.getString("Attributes")));
  
          right.add(sizePanel, BorderLayout.CENTER);
          right.add(attributes, BorderLayout.SOUTH);
  
          add(right, BorderLayout.EAST);
  
          setSelectedFont(font);
      }
  
      /**
       * Returns a Font object representing the selection in the panel.
       *
       * @return the font.
       */
      public Font getSelectedFont() {
          return new Font(getSelectedName(), getSelectedStyle(),
                  getSelectedSize());
      }
  
      /**
       * Returns the selected name.
       *
       * @return the name.
       */
      public String getSelectedName() {
          return (String) this.fontlist.getSelectedValue();
      }
  
      /**
       * Returns the selected style.
       *
       * @return the style.
       */
      public int getSelectedStyle() {
          if (this.bold.isSelected() && this.italic.isSelected()) {
              return Font.BOLD + Font.ITALIC;
          }
          if (this.bold.isSelected()) {
              return Font.BOLD;
          }
          if (this.italic.isSelected()) {
              return Font.ITALIC;
          }
          else {
              return Font.PLAIN;
          }
      }
  
      /**
       * Returns the selected size.
       *
       * @return the size.
       */
      public int getSelectedSize() {
          final String selected = (String) this.sizelist.getSelectedValue();
          if (selected != null) {
              return Integer.parseInt(selected);
          }
          else {
              return 10;
          }
      }
  
      /**
       * Initializes the contents of the dialog from the given font
       * object.
       *
       * @param font the font from which to read the properties.
       */
      public void setSelectedFont (final Font font) {
          if (font == null) {
              throw new NullPointerException();
          }
          this.bold.setSelected(font.isBold());
          this.italic.setSelected(font.isItalic());
  
          final String fontName = font.getName();
          ListModel model = this.fontlist.getModel();
          this.fontlist.clearSelection();
          for (int i = 0; i < model.getSize(); i++) {
              if (fontName.equals(model.getElementAt(i))) {
                  this.fontlist.setSelectedIndex(i);
                  break;
              }
          }
  
          final String fontSize = String.valueOf(font.getSize());
          model = this.sizelist.getModel();
          this.sizelist.clearSelection();
          for (int i = 0; i < model.getSize(); i++) {
              if (fontSize.equals(model.getElementAt(i))) {
                  this.sizelist.setSelectedIndex(i);
                  break;
              }
          }
      }
  }
  